This paper analyses the long-memory properties of US and European stock indices, as well as their linkages, using fractional integration and fractional cointegration techniques. These methods are more general and have higher power than the standard ones usually employed in the literature. The...

Empirical studies on information communication technologies (ICT) typically aggregate the informationʺ and communicationʺ components together. We show theoretically and empirically that these have very different effects on the empowerment of employees, and by extension on wage inequality. If...

This paper focuses on nominal exchange rates, specifically the US dollar rate vis-à-vis the Euro and the Japanese Yen at a daily frequency. We model both absolute values of returns and squared returns using long-memory techniques, being particularly interested in volatility modelling and...